Mazda RF-A – Cylinder Head Assembly

The Mazda RF-A Cylinder Head Assembly is designed for the 2.0L turbocharged diesel engine used in various Mazda vehicles. This engine is part of the RF series, known for reliability and efficiency. The RF-A variant features electronic control and improved emission systems, making it suitable for modern diesel applications.

Specifications:

• Engine Code: RF-A

• Displacement: 2.0L (1998cc)

• Engine Type: Inline 4-cylinder, turbocharged diesel

• Fuel System: Common Rail Direct Injection (CRDi or electronically controlled)

• Cylinder Head Material: Aluminum alloy

• Valve Configuration: SOHC (Single Overhead Camshaft) or DOHC (varies by variant)

• Valves Per Cylinder: 2 or 4 (typically 8-valve SOHC or 16-valve DOHC)

• Turbocharger: Yes

• Cooling System: Water-cooled

• Emission System: EGR-compatible (Exhaust Gas Recirculation)

• Compression Ratio: ~18.0:1 (may vary slightly by model year)

Included Components (varies by supplier):

• Intake and exhaust valves

• Valve springs, seals, and guides

• Camshaft journals (some units may include the camshaft)

• Rocker arms and lifters (optional)

• Glow plug ports and sensor fittings

Applications:

Commonly used in:

• Mazda MPV (diesel variants)

• Mazda 323 (diesel variants)

• Mazda Bongo Friendee / Van

• Ford Ranger / Mazda B-Series (select markets)

Note:

• Verify compatibility using engine number or VIN.

• Replacement should include a new head gasket and torque-to-yield head bolts.

• Some RF-A heads come with improved oil and coolant passages for enhanced performance.